Finding the Fourth Proportional to 106,947.63, 160,579.15 and 59,655.12
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Solution
The fourth proportional to 106,947.63, 160,579.15 and 59,655.12 is: 89,570.65
Step by Step Solution
- Step 1: Write the proportion equation
106,947.63 : 160,579.15 = 59,655.12 : x - Step 2: Convert to fraction form
106,947.63/160,579.15 = 59,655.12/x - Step 3: Cross multiply
106,947.63x = 160,579.15 × 59,655.12 - Step 4: Simplify right side
106,947.63x = 9,579,369,234.10 - Step 5: Solve for x
x = 9,579,369,234.10/106,947.63 - Step 6: Final answer
x = 89,570.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.